FIG. 10 is a view that illustrates the overlap phase shift;

FIG. 11 is a view that, illustrates waveforms at the time of executing the edge-alignment phase shift and waveforms at the time of executing the overlap phase shift;

FIG. 12 is a view that illustrates estimation of a loss at the time of executing the edge-alignment phase shift;

FIG. 13 is a view that illustrates estimation of a loss at the time of executing the overlap phase shift;

FIG. 14 is a flowchart at the time when the phase shift is executed by the CNV controller;

FIG. 15 is a view that illustrates the configuration of an electric power converter according to an alternative embodiment to the above embodiment;

FIG. 16 is a view that illustrates the configuration of an electric power convener according to a further alternative embodiment to the above embodiment;

FIG. 17A to FIG. 17C are views that illustrate the outlines of a phase shift;

FIG. 18 is a view that illustrates a phase shift by inserting an auxiliary carrier;

FIG. 19 is a view that illustrates changes in the waveforms of PWM signals at the time when a command wave is changed; and

FIG. 20 is a view that illustrates an edge-alignment phase shift at the time when a command wave is changed.